/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.webbeans.intercept;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Interceptor;
import javax.interceptor.AroundInvoke;
import org.apache.webbeans.config.OWBLogConst;
import org.apache.webbeans.container.BeanManagerImpl;
import org.apache.webbeans.context.creational.CreationalContextImpl;
import org.apache.webbeans.context.creational.EjbInterceptorContext;
import org.apache.webbeans.decorator.WebBeansDecoratorInterceptor;
import org.apache.webbeans.inject.OWBInjector;
import org.apache.webbeans.intercept.webbeans.WebBeansInterceptor;
import org.apache.webbeans.logger.WebBeansLogger;
import org.apache.webbeans.util.WebBeansUtil;
/**
* Abstract implementation of the {@link InterceptorData} api contract.
* @version $Rev: 987758 $ $Date: 2010-08-21 15:49:53 +0200 (Sa, 21 Aug 2010) $
*/
public class InterceptorDataImpl implements InterceptorData
{
//Logger instance
private final WebBeansLogger logger = WebBeansLogger.getLogger(InterceptorDataImpl.class);
/** Around invokes method */
private Method aroundInvoke = null;
/** Post construct methods */
private Method postConstruct = null;
/** Predestroy Method */
private Method preDestroy = null;
private Interceptor<?> webBeansInterceptor;
/** Defined in the interceptor or bean */
private boolean definedInInterceptorClass;
/** Whether the interceptor class is defined in the method */
private boolean definedInMethod;
/**
* If defined in method true, then this method holds
* interceptor binding annotated method
*/
private Method annotatedMethod;
/** Defined with webbeans specific interceptor */
private boolean isDefinedWithWebBeansInterceptor;
private Class<?> interceptorClass = null;
private WebBeansDecoratorInterceptor decoratorInterceptor = null;
public InterceptorDataImpl(boolean isDefinedWithWebBeansInterceptor)
{
this(isDefinedWithWebBeansInterceptor,null);
}
public InterceptorDataImpl(boolean isDefinedWithWebBeansInterceptor, WebBeansDecoratorInterceptor decoratorInterceptor)
{
this.isDefinedWithWebBeansInterceptor = isDefinedWithWebBeansInterceptor;
this.decoratorInterceptor = decoratorInterceptor;
}
public Class<?> getInterceptorClass()
{
return this.interceptorClass;
}
public void setInterceptorClass(Class<?> clazz)
{
this.interceptorClass = clazz;
}
/*
* (non-Javadoc)
* @see
* org.apache.webbeans.intercept.InterceptorData#setInterceptor(java.lang
* .reflect.Method, java.lang.Class)
*/
public void setInterceptorMethod(Method m, Class<? extends Annotation> annotation)
{
if (annotation.equals(AroundInvoke.class))
{
setAroundInvoke(m);
}
else if (annotation.equals(PostConstruct.class))
{
setPostConstruct(m);
}
else if (annotation.equals(PreDestroy.class))
{
setPreDestroy(m);
}
}
/*
* (non-Javadoc)
* @see
* org.apache.webbeans.intercept.InterceptorData#addAroundInvoke(java.lang
* .reflect.Method)
*/
public void setAroundInvoke(Method m)
{
this.aroundInvoke = m;
}
/*
* (non-Javadoc)
* @see
* org.apache.webbeans.intercept.InterceptorData#addPostConstruct(java.lang
* .reflect.Method)
*/
protected void setPostConstruct(Method m)
{
this.postConstruct = m;
}
/*
* (non-Javadoc)
* @see
* org.apache.webbeans.intercept.InterceptorData#addPreDestroy(java.lang
* .reflect.Method)
*/
protected void setPreDestroy(Method m)
{
this.preDestroy = m;
}
/*
* (non-Javadoc)
* @see org.apache.webbeans.intercept.InterceptorData#getPostConstruct()
*/
public Method getPostConstruct()
{
return this.postConstruct;
}
/*
* (non-Javadoc)
* @see org.apache.webbeans.intercept.InterceptorData#getPreDestroy()
*/
public Method getPreDestroy()
{
return this.preDestroy;
}
/*
* (non-Javadoc)
* @see org.apache.webbeans.intercept.InterceptorData#getAroundInvoke()
*/
public Method getAroundInvoke()
{
return this.aroundInvoke;
}
/*
* (non-Javadoc)
* @see
* org.apache.webbeans.intercept.InterceptorData#isDefinedInInterceptorClass
* ()
*/
public boolean isDefinedInInterceptorClass()
{
return definedInInterceptorClass;
}
/*
* (non-Javadoc)
* @see
* org.apache.webbeans.intercept.InterceptorData#setDefinedInInterceptorClass
* (boolean)
*/
public void setDefinedInInterceptorClass(boolean definedInInterceptorClass)
{
this.definedInInterceptorClass = definedInInterceptorClass;
}
/*
* (non-Javadoc)
* @see org.apache.webbeans.intercept.InterceptorData#isDefinedInMethod()
*/
public boolean isDefinedInMethod()
{
return definedInMethod;
}
/*
* (non-Javadoc)
* @see
* org.apache.webbeans.intercept.InterceptorData#setDefinedInMethod(boolean)
*/
public void setDefinedInMethod(boolean definedInMethod)
{
this.definedInMethod = definedInMethod;
}
/*
* (non-Javadoc)
* @see org.apache.webbeans.intercept.InterceptorData#getAnnotatedMethod()
*/
public Method getInterceptorBindingMethod()
{
return annotatedMethod;
}
/*
* (non-Javadoc)
* @see
* org.apache.webbeans.intercept.InterceptorData#setAnnotatedMethod(java
* .lang.reflect.Method)
*/
public void setInterceptorBindingMethod(Method annotatedMethod)
{
this.annotatedMethod = annotatedMethod;
}
/*
* (non-Javadoc)
* @seeorg.apache.webbeans.intercept.InterceptorData#
* isDefinedWithWebBeansInterceptor()
*/
public boolean isDefinedWithWebBeansInterceptor()
{
return isDefinedWithWebBeansInterceptor;
}
/**
* @return the webBeansInterceptor
*/
public Interceptor<?> getWebBeansInterceptor()
{
return webBeansInterceptor;
}
/**
* @param webBeansInterceptor the webBeansInterceptor to set
*/
public void setWebBeansInterceptor(Interceptor<?> webBeansInterceptor)
{
this.webBeansInterceptor = webBeansInterceptor;
}
public Method getInterceptorMethod()
{
if (aroundInvoke != null)
{
return aroundInvoke;
}
else if (postConstruct != null)
{
return postConstruct;
}
else if (preDestroy != null)
{
return preDestroy;
}
return null;
}
@Override
public boolean isLifecycleInterceptor()
{
if(this.preDestroy != null || this.postConstruct != null)
{
return true;
}
return false;
}
@Override
@SuppressWarnings("unchecked")
public Object createNewInstance(Object ownerInstance,CreationalContextImpl<?> ownerCreationalContext)
{
//check for this InterceptorData is defined by interceptor class
if(this.isDefinedWithWebBeansInterceptor && this.definedInInterceptorClass)
{
Object interceptor = null;
//Means that it is the last interceptor added by InterceptorHandler
if(this.webBeansInterceptor == null)
{
return this.decoratorInterceptor;
}
interceptor = ownerCreationalContext.getDependentInterceptor(ownerInstance,this.webBeansInterceptor);
//There is no define interceptor, define and add it into dependent
if(interceptor == null)
{
BeanManagerImpl manager = BeanManagerImpl.getManager();
WebBeansInterceptor<Object> actualInterceptor = (WebBeansInterceptor<Object>)this.webBeansInterceptor;
CreationalContext<Object> creationalContext = manager.createCreationalContext(actualInterceptor);
interceptor = manager.getReference(actualInterceptor,actualInterceptor.getBeanClass(), creationalContext);
actualInterceptor.setInjections(interceptor, creationalContext);
ownerCreationalContext.addDependent(ownerInstance, (WebBeansInterceptor<Object>)this.webBeansInterceptor, interceptor);
}
return interceptor;
}
EjbInterceptorContext ctx = null;
Object interceptor = null;
//control for this InterceptorData is defined by interceptor class
if(this.definedInInterceptorClass)
{
ctx = ownerCreationalContext.getEjbInterceptor(ownerInstance, this.interceptorClass);
if(ctx == null)
{
interceptor = WebBeansUtil.newInstanceForced(this.interceptorClass);
try
{
OWBInjector injector = new OWBInjector();
injector.inject(interceptor);
ctx = new EjbInterceptorContext();
ctx.setInjectorInstance(injector);
ctx.setInterceptorInstance(interceptor);
}
catch (Exception e)
{
logger.error(OWBLogConst.ERROR_0022, e, interceptorClass);
}
ownerCreationalContext.addEjbInterceptor(interceptorClass, ctx);
}
else
{
interceptor = ctx.getInterceptorInstance();
}
}
return interceptor;
}
@Override
public String toString()
{
StringBuilder sb = new StringBuilder();
sb.append("Class: [").append(webBeansInterceptor.getBeanClass()).append("]");
sb.append(" aroundInvoke [").append(aroundInvoke).append("]");
sb.append(" postConstruct [").append(postConstruct).append("]");
sb.append(" preDestroy [").append(preDestroy).append("]");
return sb.toString();
}
}